Will this vote cast also be extended to the political environment? Based on Zcash and will the tokens be sold in Zcash or ETH?
Vote cast extension to the political environment is one of our goals. We'll see if this is possible.
VOT tokens are currently sold in BTC only. However, you can use
https://shapeshift.io to convert your ZEC or ETH to BTC and use them to buy VOT.